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| author | Ludovic Courtès <ludo@gnu.org> | 2022-06-01 16:53:01 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2022-06-04 12:04:24 +0200 |
| commit | 8eb17cebc1027b5ae1c4047c704b92ad73b783fd (patch) | |
| tree | 2c93729a8d0f11ac1002f4cc819d84caf85d7cbd /gnu/home/services.scm | |
| parent | 3f83c0b7c7b4761062184a01f0977199957383ad (diff) | |
| download | guix-8eb17cebc1027b5ae1c4047c704b92ad73b783fd.tar guix-8eb17cebc1027b5ae1c4047c704b92ad73b783fd.tar.gz | |
home: services: Add 'lookup-home-service-types' procedure.
* gnu/home/services.scm (lookup-home-service-types): New procedure.
* tests/home-services.scm: New file.
* Makefile.am (SCM_TESTS): Add it.
Diffstat (limited to 'gnu/home/services.scm')
| -rw-r--r-- | gnu/home/services.scm | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gnu/home/services.scm b/gnu/home/services.scm index 8284a4f3fc..5ee3357792 100644 --- a/gnu/home/services.scm +++ b/gnu/home/services.scm @@ -33,6 +33,7 @@ #:use-module (guix modules) #:use-module (srfi srfi-1) #:use-module (ice-9 match) + #:use-module (ice-9 vlist) #:export (home-service-type home-profile-service-type @@ -50,6 +51,7 @@ xdg-data-files-directory fold-home-service-types + lookup-home-service-types home-provenance %initialize-gettext) @@ -605,3 +607,13 @@ environment, and its configuration file, when available."))) (define* (fold-home-service-types proc seed) (fold-service-types proc seed (all-home-service-modules))) + +(define lookup-home-service-types + (let ((table + (delay (fold-home-service-types (lambda (type result) + (vhash-consq (service-type-name type) + type result)) + vlist-null)))) + (lambda (name) + "Return the list of services with the given NAME (a symbol)." + (vhash-foldq* cons '() name (force table))))) |